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Finding the Fourth Proportional to 333,333.36, 500,052.02 and 108,641.66

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Solution

The fourth proportional to 333,333.36, 500,052.02 and 108,641.66 is: 162,979.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,333.36 : 500,052.02 = 108,641.66 : x
  2. Step 2: Convert to fraction form
    333,333.36/500,052.02 = 108,641.66/x
  3. Step 3: Cross multiply
    333,333.36x = 500,052.02 × 108,641.66
  4. Step 4: Simplify right side
    333,333.36x = 54,326,478,495.68
  5. Step 5: Solve for x
    x = 54,326,478,495.68/333,333.36
  6. Step 6: Final answer
    x = 162,979.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.